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authorLinus Torvalds <torvalds@linux-foundation.org>2008-03-16 13:48:23 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-03-16 13:48:23 -0400
commit69d1d523cc961b6f3c2fe313694263fc81ada231 (patch)
tree207118ff51e133b1308d37e1d14365b5b0f2ecb2 /arch
parent9a9e0d685553af76cb6ae2af93cca4913e7fcd47 (diff)
parent56ee0cfd095eab246c0ecd4398c4f30a546663f7 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6: [PARISC] make ptr_to_pide() static [PARISC] head.S: section mismatch fixes [PARISC] add back Crestone Peak cpu [PARISC] futex: special case cmpxchg NULL in kernel space [PARISC] clean up show_stack [PARISC] add pa8900 CPUs to hardware inventory [PARISC] clean up include/asm-parisc/elf.h [PARISC] move defconfig to arch/parisc/configs/ [PARISC] add back AD1889 MAINTAINERS entry [PARISC] pdc_console: fix bizarre panic on boot [PARISC] dump_stack in show_regs [PARISC] pdc_stable: fix compile errors [PARISC] remove unused pdc_iodc_printf function [PARISC] bump __NR_syscalls [PARISC] unbreak pgalloc.h [PARISC] move VMALLOC_* definitions to fixmap.h [PARISC] wire up timerfd syscalls [PARISC] remove old timerfd syscall
Diffstat (limited to 'arch')
-rw-r--r--arch/parisc/Makefile3
-rw-r--r--arch/parisc/configs/default_defconfig (renamed from arch/parisc/defconfig)0
-rw-r--r--arch/parisc/kernel/firmware.c27
-rw-r--r--arch/parisc/kernel/hardware.c13
-rw-r--r--arch/parisc/kernel/head.S7
-rw-r--r--arch/parisc/kernel/pdc_cons.c30
-rw-r--r--arch/parisc/kernel/syscall_table.S5
-rw-r--r--arch/parisc/kernel/traps.c25
8 files changed, 78 insertions, 32 deletions
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index e574de4efb3..5ddad7bd60a 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -16,6 +16,9 @@
16# Modified for PA-RISC Linux by Paul Lahaie, Alex deVries, 16# Modified for PA-RISC Linux by Paul Lahaie, Alex deVries,
17# Mike Shaver, Helge Deller and Martin K. Petersen 17# Mike Shaver, Helge Deller and Martin K. Petersen
18# 18#
19
20KBUILD_DEFCONFIG := default_defconfig
21
19NM = sh $(srctree)/arch/parisc/nm 22NM = sh $(srctree)/arch/parisc/nm
20CHECKFLAGS += -D__hppa__=1 23CHECKFLAGS += -D__hppa__=1
21 24
diff --git a/arch/parisc/defconfig b/arch/parisc/configs/default_defconfig
index 448a757b06c..448a757b06c 100644
--- a/arch/parisc/defconfig
+++ b/arch/parisc/configs/default_defconfig
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 4ab83d56974..7177a6cd1b7 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -1080,6 +1080,9 @@ void pdc_io_reset_devices(void)
1080 spin_unlock_irqrestore(&pdc_lock, flags); 1080 spin_unlock_irqrestore(&pdc_lock, flags);
1081} 1081}
1082 1082
1083/* locked by pdc_console_lock */
1084static int __attribute__((aligned(8))) iodc_retbuf[32];
1085static char __attribute__((aligned(64))) iodc_dbuf[4096];
1083 1086
1084/** 1087/**
1085 * pdc_iodc_print - Console print using IODC. 1088 * pdc_iodc_print - Console print using IODC.
@@ -1091,24 +1094,20 @@ void pdc_io_reset_devices(void)
1091 * Since the HP console requires CR+LF to perform a 'newline', we translate 1094 * Since the HP console requires CR+LF to perform a 'newline', we translate
1092 * "\n" to "\r\n". 1095 * "\n" to "\r\n".
1093 */ 1096 */
1094int pdc_iodc_print(unsigned char *str, unsigned count) 1097int pdc_iodc_print(const unsigned char *str, unsigned count)
1095{ 1098{
1096 /* XXX Should we spinlock posx usage */
1097 static int posx; /* for simple TAB-Simulation... */ 1099 static int posx; /* for simple TAB-Simulation... */
1098 int __attribute__((aligned(8))) iodc_retbuf[32];
1099 char __attribute__((aligned(64))) iodc_dbuf[4096];
1100 unsigned int i; 1100 unsigned int i;
1101 unsigned long flags; 1101 unsigned long flags;
1102 1102
1103 memset(iodc_dbuf, 0, 4096); 1103 for (i = 0; i < count && i < 79;) {
1104 for (i = 0; i < count && i < 2048;) {
1105 switch(str[i]) { 1104 switch(str[i]) {
1106 case '\n': 1105 case '\n':
1107 iodc_dbuf[i+0] = '\r'; 1106 iodc_dbuf[i+0] = '\r';
1108 iodc_dbuf[i+1] = '\n'; 1107 iodc_dbuf[i+1] = '\n';
1109 i += 2; 1108 i += 2;
1110 posx = 0; 1109 posx = 0;
1111 break; 1110 goto print;
1112 case '\t': 1111 case '\t':
1113 while (posx & 7) { 1112 while (posx & 7) {
1114 iodc_dbuf[i] = ' '; 1113 iodc_dbuf[i] = ' ';
@@ -1124,6 +1123,16 @@ int pdc_iodc_print(unsigned char *str, unsigned count)
1124 } 1123 }
1125 } 1124 }
1126 1125
1126 /* if we're at the end of line, and not already inserting a newline,
1127 * insert one anyway. iodc console doesn't claim to support >79 char
1128 * lines. don't account for this in the return value.
1129 */
1130 if (i == 79 && iodc_dbuf[i-1] != '\n') {
1131 iodc_dbuf[i+0] = '\r';
1132 iodc_dbuf[i+1] = '\n';
1133 }
1134
1135print:
1127 spin_lock_irqsave(&pdc_lock, flags); 1136 spin_lock_irqsave(&pdc_lock, flags);
1128 real32_call(PAGE0->mem_cons.iodc_io, 1137 real32_call(PAGE0->mem_cons.iodc_io,
1129 (unsigned long)PAGE0->mem_cons.hpa, ENTRY_IO_COUT, 1138 (unsigned long)PAGE0->mem_cons.hpa, ENTRY_IO_COUT,
@@ -1142,11 +1151,9 @@ int pdc_iodc_print(unsigned char *str, unsigned count)
1142 */ 1151 */
1143int pdc_iodc_getc(void) 1152int pdc_iodc_getc(void)
1144{ 1153{
1145 unsigned long flags;
1146 static int __attribute__((aligned(8))) iodc_retbuf[32];
1147 static char __attribute__((aligned(64))) iodc_dbuf[4096];
1148 int ch; 1154 int ch;
1149 int status; 1155 int status;
1156 unsigned long flags;
1150 1157
1151 /* Bail if no console input device. */ 1158 /* Bail if no console input device. */
1152 if (!PAGE0->mem_kbd.iodc_io) 1159 if (!PAGE0->mem_kbd.iodc_io)
diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c
index 84b9611a922..f48a640b55f 100644
--- a/arch/parisc/kernel/hardware.c
+++ b/arch/parisc/kernel/hardware.c
@@ -274,7 +274,18 @@ static struct hp_hardware hp_hardware_list[] __devinitdata = {
274 {HPHW_NPROC,0x887,0x4,0x91,"Storm Peak Slow"}, 274 {HPHW_NPROC,0x887,0x4,0x91,"Storm Peak Slow"},
275 {HPHW_NPROC,0x888,0x4,0x91,"Storm Peak Fast DC-"}, 275 {HPHW_NPROC,0x888,0x4,0x91,"Storm Peak Fast DC-"},
276 {HPHW_NPROC,0x889,0x4,0x91,"Storm Peak Fast"}, 276 {HPHW_NPROC,0x889,0x4,0x91,"Storm Peak Fast"},
277 {HPHW_NPROC,0x88A,0x4,0x91,"Crestone Peak"}, 277 {HPHW_NPROC,0x88A,0x4,0x91,"Crestone Peak Slow"},
278 {HPHW_NPROC,0x88C,0x4,0x91,"Orca Mako+"},
279 {HPHW_NPROC,0x88D,0x4,0x91,"Rainier/Medel Mako+ Slow"},
280 {HPHW_NPROC,0x88E,0x4,0x91,"Rainier/Medel Mako+ Fast"},
281 {HPHW_NPROC,0x894,0x4,0x91,"Mt. Hamilton Fast Mako+"},
282 {HPHW_NPROC,0x895,0x4,0x91,"Storm Peak Slow Mako+"},
283 {HPHW_NPROC,0x896,0x4,0x91,"Storm Peak Fast Mako+"},
284 {HPHW_NPROC,0x897,0x4,0x91,"Storm Peak DC- Slow Mako+"},
285 {HPHW_NPROC,0x898,0x4,0x91,"Storm Peak DC- Fast Mako+"},
286 {HPHW_NPROC,0x899,0x4,0x91,"Mt. Hamilton Slow Mako+"},
287 {HPHW_NPROC,0x89B,0x4,0x91,"Crestone Peak Mako+ Slow"},
288 {HPHW_NPROC,0x89C,0x4,0x91,"Crestone Peak Mako+ Fast"},
278 {HPHW_A_DIRECT, 0x004, 0x0000D, 0x00, "Arrakis MUX"}, 289 {HPHW_A_DIRECT, 0x004, 0x0000D, 0x00, "Arrakis MUX"},
279 {HPHW_A_DIRECT, 0x005, 0x0000D, 0x00, "Dyun Kiuh MUX"}, 290 {HPHW_A_DIRECT, 0x005, 0x0000D, 0x00, "Dyun Kiuh MUX"},
280 {HPHW_A_DIRECT, 0x006, 0x0000D, 0x00, "Baat Kiuh AP/MUX (40299B)"}, 291 {HPHW_A_DIRECT, 0x006, 0x0000D, 0x00, "Baat Kiuh AP/MUX (40299B)"},
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index a7b8859488b..ec2482dc1be 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -20,10 +20,11 @@
20#include <asm/pgtable.h> 20#include <asm/pgtable.h>
21 21
22#include <linux/linkage.h> 22#include <linux/linkage.h>
23#include <linux/init.h>
23 24
24 .level LEVEL 25 .level LEVEL
25 26
26 .data 27 __INITDATA
27ENTRY(boot_args) 28ENTRY(boot_args)
28 .word 0 /* arg0 */ 29 .word 0 /* arg0 */
29 .word 0 /* arg1 */ 30 .word 0 /* arg1 */
@@ -31,7 +32,7 @@ ENTRY(boot_args)
31 .word 0 /* arg3 */ 32 .word 0 /* arg3 */
32END(boot_args) 33END(boot_args)
33 34
34 .text 35 .section .text.head
35 .align 4 36 .align 4
36 .import init_thread_union,data 37 .import init_thread_union,data
37 .import fault_vector_20,code /* IVA parisc 2.0 32 bit */ 38 .import fault_vector_20,code /* IVA parisc 2.0 32 bit */
@@ -343,7 +344,7 @@ smp_slave_stext:
343ENDPROC(stext) 344ENDPROC(stext)
344 345
345#ifndef CONFIG_64BIT 346#ifndef CONFIG_64BIT
346 .data 347 .section .data.read_mostly
347 348
348 .align 4 349 .align 4
349 .export $global$,data 350 .export $global$,data
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 33b1f84441b..ccb68090781 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -52,28 +52,30 @@
52#include <linux/tty.h> 52#include <linux/tty.h>
53#include <asm/pdc.h> /* for iodc_call() proto and friends */ 53#include <asm/pdc.h> /* for iodc_call() proto and friends */
54 54
55static spinlock_t pdc_console_lock = SPIN_LOCK_UNLOCKED;
55 56
56static void pdc_console_write(struct console *co, const char *s, unsigned count) 57static void pdc_console_write(struct console *co, const char *s, unsigned count)
57{ 58{
58 pdc_iodc_print(s, count); 59 int i = 0;
60 unsigned long flags;
61
62 spin_lock_irqsave(&pdc_console_lock, flags);
63 do {
64 i += pdc_iodc_print(s + i, count - i);
65 } while (i < count);
66 spin_unlock_irqrestore(&pdc_console_lock, flags);
59} 67}
60 68
61void pdc_printf(const char *fmt, ...) 69int pdc_console_poll_key(struct console *co)
62{ 70{
63 va_list args; 71 int c;
64 char buf[1024]; 72 unsigned long flags;
65 int i, len;
66
67 va_start(args, fmt);
68 len = vscnprintf(buf, sizeof(buf), fmt, args);
69 va_end(args);
70 73
71 pdc_iodc_print(buf, len); 74 spin_lock_irqsave(&pdc_console_lock, flags);
72} 75 c = pdc_iodc_getc();
76 spin_unlock_irqrestore(&pdc_console_lock, flags);
73 77
74int pdc_console_poll_key(struct console *co) 78 return c;
75{
76 return pdc_iodc_getc();
77} 79}
78 80
79static int pdc_console_setup(struct console *co, char *options) 81static int pdc_console_setup(struct console *co, char *options)
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 117438e9eb2..6b5ac38f5a9 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -401,9 +401,12 @@
401 ENTRY_COMP(kexec_load) /* 300 */ 401 ENTRY_COMP(kexec_load) /* 300 */
402 ENTRY_COMP(utimensat) 402 ENTRY_COMP(utimensat)
403 ENTRY_COMP(signalfd) 403 ENTRY_COMP(signalfd)
404 ENTRY_COMP(timerfd) 404 ENTRY_SAME(ni_syscall) /* was timerfd */
405 ENTRY_SAME(eventfd) 405 ENTRY_SAME(eventfd)
406 ENTRY_COMP(fallocate) /* 305 */ 406 ENTRY_COMP(fallocate) /* 305 */
407 ENTRY_SAME(timerfd_create)
408 ENTRY_COMP(timerfd_settime)
409 ENTRY_COMP(timerfd_gettime)
407 410
408 /* Nothing yet */ 411 /* Nothing yet */
409 412
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 99fd56939af..9dc6dc42f9c 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -51,6 +51,9 @@
51DEFINE_SPINLOCK(pa_dbit_lock); 51DEFINE_SPINLOCK(pa_dbit_lock);
52#endif 52#endif
53 53
54void parisc_show_stack(struct task_struct *t, unsigned long *sp,
55 struct pt_regs *regs);
56
54static int printbinary(char *buf, unsigned long x, int nbits) 57static int printbinary(char *buf, unsigned long x, int nbits)
55{ 58{
56 unsigned long mask = 1UL << (nbits - 1); 59 unsigned long mask = 1UL << (nbits - 1);
@@ -148,6 +151,8 @@ void show_regs(struct pt_regs *regs)
148 print_symbol(" IAOQ[1]: %s\n", regs->iaoq[1]); 151 print_symbol(" IAOQ[1]: %s\n", regs->iaoq[1]);
149 printk(level); 152 printk(level);
150 print_symbol(" RP(r2): %s\n", regs->gr[2]); 153 print_symbol(" RP(r2): %s\n", regs->gr[2]);
154
155 parisc_show_stack(current, NULL, regs);
151} 156}
152 157
153 158
@@ -181,11 +186,19 @@ static void do_show_stack(struct unwind_frame_info *info)
181 printk("\n"); 186 printk("\n");
182} 187}
183 188
184void show_stack(struct task_struct *task, unsigned long *s) 189void parisc_show_stack(struct task_struct *task, unsigned long *sp,
190 struct pt_regs *regs)
185{ 191{
186 struct unwind_frame_info info; 192 struct unwind_frame_info info;
193 struct task_struct *t;
194
195 t = task ? task : current;
196 if (regs) {
197 unwind_frame_init(&info, t, regs);
198 goto show_stack;
199 }
187 200
188 if (!task) { 201 if (t == current) {
189 unsigned long sp; 202 unsigned long sp;
190 203
191HERE: 204HERE:
@@ -201,12 +214,18 @@ HERE:
201 unwind_frame_init(&info, current, &r); 214 unwind_frame_init(&info, current, &r);
202 } 215 }
203 } else { 216 } else {
204 unwind_frame_init_from_blocked_task(&info, task); 217 unwind_frame_init_from_blocked_task(&info, t);
205 } 218 }
206 219
220show_stack:
207 do_show_stack(&info); 221 do_show_stack(&info);
208} 222}
209 223
224void show_stack(struct task_struct *t, unsigned long *sp)
225{
226 return parisc_show_stack(t, sp, NULL);
227}
228
210int is_valid_bugaddr(unsigned long iaoq) 229int is_valid_bugaddr(unsigned long iaoq)
211{ 230{
212 return 1; 231 return 1;